Air Holes In My Ri...help Please!

I am making RI flowers for a wedding cake next weekend and have little ari bubbles in the RI when I pipe it out. I made it yesterday afternoon and re- whiped it on low witha ahnd held mixer, could this have caused it? I have to re-mix it to make more tonight, do I mix longer, faster, slower? I'm so frusterated.

I usually bring mine together by just stirring vigorously with a fork. If you use a mixer, less than a minute on medium should do it.

Another solution that works very well is that after mixing, put about a cup of the RI on a clean countertop or cutting board and then smooth it out for a few minutes using a metal offset spatula. You can actually see it shrinking because you're pressing out all of the air.